All MIBs › CPQISCSI-MIB › cpqiScsiSsnInitialR2T
cpqiScsiSsnInitialR2T
Module: CPQISCSI-MIB
OID (symbolic): CPQISCSI-MIB::cpqiScsiSsnInitialR2T
OID (numeric): 1.3.6.1.4.1.232.169.2.11.1.1.11
Node type: OBJECT-TYPE
Type: INTEGER
Access: read-only
Description: If set to true, indicates that the initiator must wait for an R2T before sending to the target. If set to false, the initiator may send data immediately, within limits set by cpqiScsiSsnFirstBurstLength and the expected data transfer length of the request.
Default is true.
What is cpqiScsiSsnInitialR2T?
This read-only true/false flag indicates whether the initiator must wait for an R2T (Ready to Transfer) before sending data to the target on this session, defaulting to true. An admin reviews this to understand the negotiated data-flow behavior of the session, since a false value permits the initiator to send data immediately (bounded by FirstBurstLength), which can improve throughput on low-latency links. For example, seeing this negotiated to false on a high-performance SAN link would explain why write latency is lower than expected on that session.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.232.169.2.11.1.1.11 snmpwalk -v2c -c public <target> CPQISCSI-MIB::cpqiScsiSsnInitialR2T
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.232.169.2.11.1.1.11.1 snmpget -v2c -c public <target> CPQISCSI-MIB::cpqiScsiSsnInitialR2T.1
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OID Breakdown
Upper-level ancestors (7 from the standard OID tree / other modules)
| Numeric OID | Name | Module |
|---|---|---|
| 1 | iso | LANART-AGENT |
| 1.3 | org | AirPair-MIB |
| 1.3.6 | dod | AirPair-MIB |
| 1.3.6.1 | internet | AirPair-MIB |
| 1.3.6.1.4 | private | AirPair-MIB |
| 1.3.6.1.4.1 | enterprises | AirPair-MIB |
| 1.3.6.1.4.1.232 | compaq | COMPAQ-ID-REC-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.232.169 | cpqiScsiModule | CPQISCSI-MIB |
| 1.3.6.1.4.1.232.169.2 | cpqiScsiObjects | CPQISCSI-MIB |
| 1.3.6.1.4.1.232.169.2.11 | cpqiScsiSession | CPQISCSI-MIB |
| 1.3.6.1.4.1.232.169.2.11.1 | cpqiScsiSessionAttributesTable | CPQISCSI-MIB |
| 1.3.6.1.4.1.232.169.2.11.1.1 | cpqiScsiSessionAttributesEntry | CPQISCSI-MIB |
| 1.3.6.1.4.1.232.169.2.11.1.1.11 | cpqiScsiSsnInitialR2T | CPQISCSI-MIB |